138855780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:786

約数の個数: 144

約数和(自身を含む): 484708224

約数和(自身を除く): 345852444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 193, 210, 252, 315, 386, 420, 571, 579, 630, 772, 965, 1142, 1158, 1260, 1351, 1713, 1737, 1930, 2284, 2316, 2702, 2855, 2895, 3426, 3474, 3860, 3997, 4053, 5139, 5404, 5710, 5790, 6755, 6852, 6948, 7994, 8106, 8565, 8685, 10278, 11420, 11580, 11991, 12159, 13510, 15988, 16212, 17130, 17370, 19985, 20265, 20556, 23982, 24318, 25695, 27020, 34260, 34740, 35973, 39970, 40530, 47964, 48636, 51390, 59955, 60795, 71946, 79940, 81060, 102780, 110203, 119910, 121590, 143892, 179865, 220406, 239820, 243180, 330609, 359730, 440812, 551015, 661218, 719460, 771421, 991827, 1102030, 1322436, 1542842, 1653045, 1983654, 2204060, 2314263, 3085684, 3306090, 3857105, 3967308, 4628526, 4959135, 6612180, 6942789, 7714210, 9257052, 9918270, 11571315, 13885578, 15428420, 19836540, 23142630, 27771156, 34713945, 46285260, 69427890, 138855780]

約数ペア:

[(1, 138855780), (2, 69427890), (3, 46285260), (4, 34713945), (5, 27771156), (6, 23142630), (7, 19836540), (9, 15428420), (10, 13885578), (12, 11571315), (14, 9918270), (15, 9257052), (18, 7714210), (20, 6942789), (21, 6612180), (28, 4959135), (30, 4628526), (35, 3967308), (36, 3857105), (42, 3306090), (45, 3085684), (60, 2314263), (63, 2204060), (70, 1983654), (84, 1653045), (90, 1542842), (105, 1322436), (126, 1102030), (140, 991827), (180, 771421), (193, 719460), (210, 661218), (252, 551015), (315, 440812), (386, 359730), (420, 330609), (571, 243180), (579, 239820), (630, 220406), (772, 179865), (965, 143892), (1142, 121590), (1158, 119910), (1260, 110203), (1351, 102780), (1713, 81060), (1737, 79940), (1930, 71946), (2284, 60795), (2316, 59955), (2702, 51390), (2855, 48636), (2895, 47964), (3426, 40530), (3474, 39970), (3860, 35973), (3997, 34740), (4053, 34260), (5139, 27020), (5404, 25695), (5710, 24318), (5790, 23982), (6755, 20556), (6852, 20265), (6948, 19985), (7994, 17370), (8106, 17130), (8565, 16212), (8685, 15988), (10278, 13510), (11420, 12159), (11580, 11991)]